Before a storm, sailors cover the hatches with waterproof material.

VOA: special.2009.05.24

After a flood, food safety specialists at the United States Department of Agriculture have this advice: Throw away anything that is not stored in a waterproof container if there was a chance of contact.

VOA: special.2010.07.19

The ministers used waterproof markers to sign the document, printed on a white board.

VOA: standard.2009.10.17

The paddles had the same type of LCD lights as a regular TV and were waterproof, a requirement for London's soggy Olympic Games.

WSJ: Menu

Being waterproof with a built-in battery allows explorers of all kinds to focus their attention on what's most important: the adventure.

ENGADGET: ContourRoam waterproof camera takes hands-free filmmaking underwater

All of that is waterproof to a pretty decent 43ft, too, so it should stay safe under the most extreme conditions.

ENGADGET